As a Part of a Community Policy Using Upstream Approaches

As a part of a community policy using upstream approaches to improve pregnancy outcomes, a nurse would be looking to establish which of the following changes?

A) Hiring doulas to assist women during delivery
B) Scheduling phone calls to women two weeks after bringing their baby home from the hospital
C) Increasing offerings of childbirth classes
D) Conducting preconception and nutrition consultations for women who are thinking of becoming pregnant